Panasonic WH-SDC07C3E5 Service Manual Download Page 128 | Manualshive

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18 Disassembly and Assembly Instructions

18.1. To Remove Front Plate

Please follow the steps below for take out front plate. Before removing the front plate of indoor unit, always switch off all power
supply (i.e. indoor unit power supply, heater power supply and boiler tank power supply).

1. Remove the 2 mounting screws which located at bottom of the front plate and 1 mounting screw at the front of the plate.
2. Gently pull the lower section of the front plate towards you to remove the front plate from left and right hooks.
3. Hold the left edge and right edge of front plate to lift up front plate from hooks.

18.2. To Remove Cabinet

WARNING

High Voltage are generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding
with repair work. Failure to heed this caution may result in electric shocks.

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Summary of Contents for WH-SDC07C3E5

Page 1: ...orized copying and distribution is a violation of law Order No PHAAM1006120C2 Air to Water Heatpump Indoor Unit Outdoor Unit WH SDC07C3E5 WH UD07CE5 A WH SDC09C3E5 WH UD09CE5 A WH SDC12C6E5 WH UD12CE5 A WH SDC14C6E5 WH UD14CE5 A WH SDC16C6E5 WH UD16CE5 A ...

Page 2: ... 10 Tank Booster Heater Control 77 13 11 Three Way Valve Control 77 13 12 Sterillization Mode 77 13 13 Quiet Operation 78 13 14 Solar operation Optional 78 13 15 External Room Thermostat Control Optional 82 13 16 Two ways valve control 83 14 Protection Control 84 14 1 Protection Control For All Operations 84 14 2 Protection Control For Heating Operation 86 14 3 Protection Control For Cooling Opera...

Page 3: ...rcuit and single outlet must be used If electrical circuit capacity is not enough or defect found in electrical work it will cause electrical shock or fire 10 This equipment must be properly earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and telephone Otherwise it may cause electric shock in case equipment breakdown or insulation breakdown 11 Do not use join...

Page 4: ...rson 4 Do not touch outdoor unit air inlet and aluminium fin It may cause injury 5 Select an installation location which is easy for maintenance 6 Pb free solder has a higher melting point than standard solder typically the melting point is 50 F 70 F 30 C 40 C higher Please use a high temperature solder iron In case of the soldering iron with temperature control please set it to 700 20 F 370 10 C ...

Page 5: ...16 Width mm inch 900 35 7 16 Depth mm inch 320 12 19 32 Net Weight kg lbs 66 146 Pipe Diameter Liquid mm inch 6 35 1 4 Gas mm inch 15 88 5 8 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 30 98 4 I D O D Height Difference m ft 20 65 6 Additional Gas Amount g m oz ft 30 0 3 Refrigeration Charge Less m ft 10 32 8 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 1...

Page 6: ...nge Outdoor Ambient C Cooling 16 43 Heating 20 35 Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 16 8 Heating 22 0 Noise Level dB A Cooling 30 Heating 30 Power Level dB Cooling 43 Heating 43 Dimension Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Depth mm inch 353 13 29 32 Net Weight kg lbs 45 99 Refrigerant Pipe Diameter Liquid mm inch 6 35 1 4 Gas mm in...

Page 7: ...temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb with controlled indoor water inlet temperature of 30 C and water outlet temperature of 35 C Specification are subjected to change without prior notice for further improvement ...

Page 8: ...32 Net Weight kg lbs 66 146 Pipe Diameter Liquid mm inch 6 35 1 4 Gas mm inch 15 88 5 8 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 30 98 4 I D O D Height Difference m ft 20 65 6 Additional Gas Amount g m oz ft 30 0 3 Refrigeration Charge Less m ft 10 32 8 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 1 70 Fan Type Propeller Fan Material PP Motor Type Ind...

Page 9: ...ction Device Electronic Control Item Unit Indoor Unit Performance Test Condition EUROVENT Operation Range Outdoor Ambient C Cooling 16 43 Heating 20 35 Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 22 5 Heating 35 0 Noise Level dB A Cooling 30 Heating 30 Power Level dB Cooling 43 Heating 43 Dimension Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Depth mm...

Page 10: ...s 106 234 Pipe Diameter Liquid mm inch 9 52 3 8 Gas mm inch 15 88 5 8 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 40 131 2 I D O D Height Difference m ft 30 98 4 Additional Gas Amount g m oz ft 50 0 5 Refrigeration Charge Less m ft 30 98 4 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 3 00 Fan Type Propeller Fan Material PP Motor Type Induction 8 poles In...

Page 11: ...on Device Electronic Control Item Unit Indoor Unit Performance Test Condition EUROVENT Operation Range Outdoor Ambient C Cooling 16 43 Heating 20 35 Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 12 4 Heating 17 4 Noise Level dB A Cooling 30 Heating 30 Power Level dB Cooling 43 Heating 43 Dimension Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Depth mm in...

Page 12: ...s 106 234 Pipe Diameter Liquid mm inch 9 52 3 8 Gas mm inch 15 88 5 8 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 40 131 2 I D O D Height Difference m ft 30 98 4 Additional Gas Amount g m oz ft 50 0 5 Refrigeration Charge Less m ft 30 98 4 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 3 00 Fan Type Propeller Fan Material PP Motor Type Induction 8 poles In...

Page 13: ...on Device Electronic Control Item Unit Indoor Unit Performance Test Condition EUROVENT Operation Range Outdoor Ambient C Cooling 16 43 Heating 20 35 Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 16 0 Heating 23 0 Noise Level dB A Cooling 30 Heating 30 Power Level dB Cooling 43 Heating 43 Dimension Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Depth mm in...

Page 14: ...s 106 234 Pipe Diameter Liquid mm inch 9 52 3 8 Gas mm inch 15 88 5 8 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 40 131 2 I D O D Height Difference m ft 30 98 4 Additional Gas Amount g m oz ft 50 0 5 Refrigeration Charge Less m ft 30 98 4 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 3 00 Fan Type Propeller Fan Material PP Motor Type Induction 8 poles In...

Page 15: ...on Device Electronic Control Item Unit Indoor Unit Performance Test Condition EUROVENT Operation Range Outdoor Ambient C Cooling 16 43 Heating 20 35 Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 18 0 Heating 30 2 Noise Level dB A Cooling 30 Heating 30 Power Level dB Cooling 43 Heating 43 Dimension Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Depth mm in...

Page 16: ...ter power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect compressor Serviceability Improvement Breakdown Self Diagnosis function System Status Check Buttons for servicing purpose System Pumpdown Button for servicing purpose Front maintenance design for outdoor unit Operation Condition NOTICE When the outdoor temperature is ou...

Page 17: ...17 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...

Page 18: ...18 ...

Page 19: ...19 ...

Page 20: ...20 4 1 2 Weekly Timer Setting ...

Page 21: ...21 4 1 3 Setting Up The Special Functions ...

Page 22: ...22 4 1 4 Main Components 4 2 Outdoor Unit ...

Page 23: ...23 5 Dimensions 5 1 Indoor Unit ...

Page 24: ...24 5 2 Outdoor Unit 5 2 1 WH UD07CE5 A WH UD09CE5 A ...

Page 25: ...25 5 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...

Page 26: ...wn in the table Piping size Rated Length m Common Length m Max Elevation m Min Piping Length m Max Piping Length m Additional Refrigerant g m Model Gas Liquid UD07CE5 A 5 8 1 4 7 10 20 3 30 30 UD09CE5 A 5 8 1 4 7 10 20 3 30 30 UD12CE5 A 5 8 3 8 7 30 30 3 40 50 UD14CE5 A 5 8 3 8 7 30 30 3 40 50 UD16CE5 A 5 8 3 8 7 30 30 3 40 50 ...

Page 27: ...27 ...

Page 28: ...28 7 Block Diagram 7 1 WH UD07CE5 A WH UD09CE5 A ...

Page 29: ...29 7 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...

Page 30: ...30 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 WH SDC07C3E5 WH SDC09C3E5 ...

Page 31: ...31 8 1 2 WH SDC12C6E5 WH SDC14C6E5 WH SDC16C6E5 ...

Page 32: ...32 8 2 Outdoor Unit 8 2 1 WH UD07CE5 A WH UD09CE5 A ...

Page 33: ...33 8 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...

Page 34: ...34 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SDC07C3E5 WH SDC09C3E5 ...

Page 35: ...35 9 1 2 WH SDC12C6E5 WH SDC14C6E5 WH SDC16C6E5 ...

Page 36: ...36 9 2 Outdoor Unit 9 2 1 WH UD07CE5 A WH UD09CE5 A ...

Page 37: ...37 9 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...

Page 38: ...38 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 39: ...39 10 1 2 Solar Printed Circuit Board Optional ...

Page 40: ...40 10 2 Outdoor Unit 10 2 1 WH UD07CE5 A WH UD09CE5 A 10 2 1 1 Main Printed Circuit Board ...

Page 41: ...41 10 2 1 2 Capacitor Printed Circuit Board 10 2 1 3 Noise Filter Printed Circuit Board ...

Page 42: ...42 10 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A 10 2 2 1 Main Printed Circuit Board ...

Page 43: ...43 10 2 2 2 Capacitor Printed Circuit Board 10 2 2 3 Noise Filter Printed Circuit Board ...

Page 44: ...T If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed Avoid location where ambient temperature is below 20 C Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If outdoor unit installed near sea region wi...

Page 45: ... the screws to the holes on the hooks of installation plate as illustrated below 11 3 3 2 Water Piping Installation The minimum requirement of water in the system is 30 litres If this value could not be achieved please install additional buffer tank field supply Water inlet and water outlet in indoor unit are used for connection to water circuit Please request a licensed technician to install this...

Page 46: ...iently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 11 3 3 4 Drain Hose Installation Use inner diameter 15 mm drain hose in the market This hose must to be installed in a continuosly downward direction and in a frost free environment Guides this hose s outlet to outdoor only Do not insert this hose into sewage hose o...

Page 47: ...lve shall be spring and electronic type refer to Field Supply Accessories table for details Valve s cable shall be 3 min 0 5 mm2 of type designation 60245 IEC 57 or heavier or similarly double insulation sheathed cable note Two way Valve shall be CE marking compliance component Maximum load for the valve is 3VA 5 Three Way Valve shall be spring and electronic type Valve s cable shall be 3 min 0 5 ...

Page 48: ... of double insulation PVC sheathed or rubber sheathed cable Strongly recommended install with maximum length of 10 meter only 11 3 4 1 Wire Stripping and Connecting Requirement Terminal screw Tightening torque Nl cm kgf cm M4 157 196 16 20 M5 196 245 20 25 ...

Page 49: ...greater than or equal to 828 38kW The equipment s power supply 1 shall be connected to a suitable supply network having service current capacity 100A per phase Please liaise with supply authority to ensure that the service current capacity at the interface point is sufficient for the installation of the equipment The equipment s power supply 2 complies with IEC EN 61000 3 12 This equipment s power...

Page 50: ... with torque wrench to the specified torque as stated in the table Local pipes can project in any of four directions Make holes in the pipe panels for the pipes to pass through Be sure to install the pipe panels to prevent rain from getting inside the outdoor unit Removing the service panel 1 Remove the three mounting screws 2 Slide the service panel downward to release the pawls After this pull t...

Page 51: ...ice port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 18 N m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage 11 4 4 CONNECT THE CABLE TO THE OUTDOOR UNIT FOR DET...

Page 52: ...BLE TO THE INDOOR UNIT 11 4 5 PIPE INSULATION 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 6 mm or above 11 4 ...

Page 53: ...ver the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed Avoid location where ambient temperature is below 20 C Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If outdoor unit installed near sea region with high content of sulphu...

Page 54: ...ate by moving it left and right 3 Fix the screws to the holes on the hooks of installation plate as illustrated below 12 3 3 2 Water Piping Installation The minimum requirement of water in the system is 50 litres If this value could not be achieved please install additional buffer tank field supply Water inlet and water outlet in indoor unit are used for connection to water circuit Please request ...

Page 55: ...ch 3 Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 12 3 3 4 Drain Hose Installation Use inner diameter 15 mm drain hose in the market This hose must to be installed in a continuosly downward direction and in a frost free environment Guides this hose s outl...

Page 56: ...m2 of type designation 60245 IEC 57 or heavier 4 Two way Valve shall be spring and electronic type refer to Field Supply Accessories table for details Valve s cable shall be 3 min 0 5 mm2 of type designation 60245 IEC 57 or heavier or similarly double insulation sheathed cable note Two way Valve shall be CE marking compliance component Maximum load for the valve is 3VA 5 Three Way Valve shall be s...

Page 57: ...2 of double insulation PVC sheathed or rubber sheathed cable Strongly recommended install with maximum length of 10 meter only 12 3 4 1 Wire Stripping and Connecting Requirement Terminal screw Tightening torque N cm kgf cm M4 157 196 16 20 M5 196 245 20 25 ...

Page 58: ...UD16CE5 0 244Ω Please liaise with supply authority to ensure that the power supply 1 is connected only to a supply of that impedance or less The equipment s power supply 2 complies with IEC EN 61000 3 12 This equipment s power supply 2 shall be connected to a suitable supply network with the following maximum permissible system impedance Zmax at the interface for models WH SDC12C6E5 UD12CE5 WH SDC...

Page 59: ...lare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table Local pipes can project in any of four directions Make holes in the pipe panels for the pipes to pass through Be sure to install the pipe panels to prevent rain from getting inside the outdoor unit Removing the s...

Page 60: ...n evacuate the air approximately ten minutes 4 Close the Low side valve of the charging set and turn off the vacuum pump Make sure that the needle in the gauge does not move after approximately five minutes Note BE SURE TO FOLLOW THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the se...

Page 61: ...ontrol board cover 12 4 4 1 Wire Stripping and Connecting Requirement Same as indoor requirement For details please refer the diagram on AIR TO WATER HEATPUMP INDOOR UNIT section 12 3 4 CONNECT THE CABLE TO THE INDOOR UNIT 12 4 5 PIPE INSULATION 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to ...

Page 62: ... base value for temperature shifting processes These shifting processes are depending on the Air to Water Heatpump settings and the operation environment The final shifted value will be used as internal water setting temperature and it is updated continuously whenever the electrical power is supplied to the unit 13 1 2 Heating Operation 13 1 2 1 Thermostat control Compressor is OFF when Water Outl...

Page 63: ...itch and fix to room side 2 Heat pump operate follow normal cooling operation 3 Backup heater DOES NOT operate during cool mode 4 Solar 3 way valve operates follow solar operation specification 5 2 ways valve control 2 ways valve is closed Cool Mode Operation Time Chart ...

Page 64: ...r Outlet set temperature is set to Maximum 55 C at tank mode i Case 1 THERMO OFF TEMP 1 THERMO OFF TEMP Water set temperature 2 C 2 Tank temperature THERMO OFF TEMP for continuous 3 minutes heat pump OFF and water pump OFF THERMO ON TEMP 1 THERMO ON TEMP Water set temperature 3 C 2 When detect tank temperature THERMO ON TEMP water pump ON for 3 minute then heat pump ON Pump ON when Tank temperatur...

Page 65: ...me 3 C 2 Heat pump ON back when water outlet temperature tank temp when heatpump thermo off 3 C 3 Heat pump only ON back after water outlet temperature Heat pump THERMO ON TEMP water pump ON for 3 minutes Booster heater control 1 Booster heater turn On and OFF follow normal operation 2 Booster heater turn ON condition During startup time initialization Booster heater turn ON after DELAY TIMER When...

Page 66: ...66 Solar Priority is Set Solar Priority is Not Set ...

Page 67: ...ing operation Under solar priority set condition Always detect the tank temperature after heating heat up interval Switch only to tank heat up interval and start counting tank heat up timer when tank temperature THERMO ON TEMP AND solar 3WV OFF Under solar priority not set condition Always detect the tank temperature after heating heat up interval Switch only to tank heat up interval and start cou...

Page 68: ...om side THERMO ON TEMP 1 THERMO ON TEMP Heat pump tank target temperature 3 C 2 After Heating heat up interval always detect tank temperature Switch to next tank heat up interval when tank temperature THERMO ON TEMP and solar 3 way valve OFF 3 Backup heater control a During heating heat up interval Follow normal backup heater control operation b During tank heat up interval Backup heater OFF durin...

Page 69: ...69 Heat Tank Heating No Priority Solar Priority Set ...

Page 70: ...70 Heat Tank Heating No Priority Solar Priority Not Set ...

Page 71: ... unit Where by the internal water setting temperature is determined automatically depending on the outdoor temperature The colder outdoor temperatures will result in warmer water and vice versa The user has the possibility to shift up or down the target water temperature by control panel setting Outdoor temperature is updated every 30 minutes when operation ON ...

Page 72: ...alve control 3 ways valve switch and fix to room side 2 Heat pump operate follow normal heating operation 3 Backup heater operate follow normal operation 4 Solar 3 way valve operates follow solar operation specification 5 2 ways valve control 2 ways valve opens ...

Page 73: ...ET Switch pressed for less than 5secs immediately enter water temperature shift setting mode Once enter this setting mode SETTING display is ON This setting mode is used to easily shift the target water outlet temperature 13 1 10 Outdoor Fan Motor Operation Outdoor fan motor is adjusted according to operation condition It starts when compressor starts operation and it stops 30 seconds after compre...

Page 74: ...ump will remain ON when compressor OFF due to thermostat OFF 13 3 Pump Down Operation Purpose Ensure the pump down operation when relocating or disposing of the unit The pump down operation will extract all refrigerant from the piping into the outdoor unit 1 Make sure the OFF ON control panel LED is OFF no operation 2 Press the Pump Down button to start the pump down operation 3 No low pressure pr...

Page 75: ...tem will start checking flow switch status ON OFF 2 If the flow switch ON for 10 seconds the system will check on the water inlet temperature for 10 seconds If the water inlet temperature not exceeds 80 C the water pump shall be continuously running with normal mode If the water inlet temperature exceeds 80 C for continuously 10 seconds the water pump will be OFF immediately 3 After water pump OFF...

Page 76: ...ion Heater Stop Condition a When outdoor set temperature outdoor set temperature 2 C for continuous 15 secs OR b When water out temp water set temperature 2 C for continuous 15 secs OR c Heater switch is Off OR d Heat pump thermo off or OFF condition 2 Force Heater Mode Heater On Condition a After water pump operate 9 mins b When water outlet temperature water set temperature 8 C c 20 minutes sinc...

Page 77: ...erval DELAY TIMER can be set by control panel 13 11 Three Way Valve Control Purpose 3 ways valve is used to change flow direction of hot water from heat pump between heating side and tank side Control contents 1 3 ways valve switch Off During 3 ways valve switch Off time the hot water will provide heat capacity to heating side 2 3 ways valve switch On During 3 ways valve switch On time the hot wat...

Page 78: ...t When tank connection is NOT set at SETTING mode Solar operation is disabled When Pump A from Solar pump station is detected On through connection Y3 and Y4 then the Solar pump 3 Way Valve is requested ON Refer to figure below 13 14 2 Solar operation control When solar priority is SET 1 Operation condition Solar pump operates if all of the following conditions are fulfilled i Power On regardless ...

Page 79: ...OM 1 70 C iv Heat pump thermo OFF in tank mode OR Heat pump operate to room side During Operation ON and tank mode selected 2 Stop condition Solar pump stops operating when í No power supply to unit OR ii There is NO operation request from Solar pump station OR iii Tank hot water temp is above solar off upper limit temp EEPROM 2 77 C iv Heat pump thermo ON and operate to tank side During Operation...

Page 80: ...80 Solar Priority Not Set Heat Tank Mode Heating Priority Set ...

Page 81: ...81 Tank Mode Solar Priority Set Solar Priority Not Set ...

Page 82: ...ivate only when romote thermostat connection select YES by Indoor control panel When indoor running heat mode refer thermo On Off from heating line feedback And when indoor running cool mode refer thermo On Off from cooling line feedback Heat pump Off immediately when receive thermo off feedback Maker Characteristic Siemem REV200 Touch panel Siemem RAA200 Analog Setting L L1 H Heat Thermo L L2 C C...

Page 83: ...ing panel Control contents 1 When indoor running in heat mode OPEN the 2 ways valve 2 When indoor running in cool mode CLOSE the 2 ways valve 3 Stop condition a During stop mode fix 2 ways valve in close condition During pump down mode fix 2 ways valve in close condition During force mode open 2 ways valve Recommended Parts SFA 21 18 Siemens ...

Page 84: ...on repeats continuously 3 times within 30 minutes system will stop operation and OFF ON control panel LED will blink F22 error occurs B DC Peak Current Control 1 When the current to IPM exceeds set value of 40 1 5 0 A UD07CE and UD09CE 44 7 5 0 A UD12CE UD14CE and UD16CE compressor will stop Compressor will restart after three minutes 2 If the set value exceeds again for more than 30 seconds after...

Page 85: ...usly After detection When abnormality is detected continue 5 seconds unit stop operation OFF ON control panel LED will blink H64 error occurs 14 1 9 Outside Temperature Current Control 14 1 10 Crank case heater control Purpose For compressor protection during low outdoor ambient operation during heating low temperature operation Control content a Trigger heater START conditon when the outdoor air ...

Page 86: ...Outdoor Air Temperature Control The Compressor operating frequency is regulated in accordance to The outdoor air temperature as shown in The diagram below This control will begin 1 minute after the compressor starts Compressor frequency will adjust base on outdoor air Temperature 14 3 2 Freeze Prevention Control 1 1 When indoor heat exchanger temperature is lower than 0 C continuously for 10 secon...

Page 87: ... 5 Press the OFF ON switch on control panel to stop PUMP DOWN mode 6 Remove the refrigerant piping 15 3 How To Adjust Water Flow Rate Before adjust the water flow rate make sure that the total water volume in the installation is 30 litres minimum 07C3 09C3 50 litres minimum 12C6 14C6 16C6 The water flow rate can be adjusted with select the water pump speed on the water pump The default setting is ...

Page 88: ...checking finish In case the water keeps drained out from the unit switch off the system and then contact your local authorized dealer 3 Indoor unit control board area Thorough visual inspection of the control board and look for defects i e loose connection melting of wire insulator and etc 4 RCCB Ensure the RCCB set to ON condition before check RCCB Turn on the power supply to the indoor unit This...

Page 89: ... order of step a b 7 External water filter field supply Clean the external water filter in regularly basic External water filter is located inside the tube connector which is before water inlet connector of indoor unit indicated with WATER IN Refer to figure below Use spanner to detach the tube connector nut Take out the filter carefully so that not deforms it shape Use tap water only to wash the ...

Page 90: ...no electrical problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right ...

Page 91: ... started Heating Mode Cooling Mode Condition of the Air to Water Heatpump indoor and outdoor units Low Pressure High Pressure Electric current during operation Low Pressure High Pressure Electric current during operation Water leakage or insufficient water flow rate in the system Excessive amount of refrigerant Inefficient compression Insufficient refrigerant gas leakage Outdoor heat exchange defi...

Page 92: ...IC memory To check the error code 1 When an abnormality occurs system will stop operation and OFF ON control panel LED will blink 2 Error code of the abnormality will display on the control panel Timer display LCD 3 To determine the abnormality description the Error Code Table needs to be referred To display past last error code 1 Turn ON power supply 2 Press and hold the CHECK button for more tha...

Page 93: ...gh pressure sensor Water pump or water leakage Clogged expansion valve or strainer Excess refrigerant Outdoor PCB H99 Indoor heat exchanger freeze prevention Indoor heat exchanger Refrigerant shortage F12 Pressure switch activate 4 times occurrence within 20 minutes Pressure switch F14 Outdoor compressor abnormal revolution 4 times occurrence within 20 minutes Outdoor compressor F15 Outdoor fan mo...

Page 94: ... disconnected F45 Indoor water outlet temperature sensor abnormality Continue for 5 sec Water outlet temperature sensor defective or disconnected F46 Outdoor Current Transformer open circuit Insufficient refrigerant Outdoor PCB Compressor low F95 Cooling high pressure overload protection Outdoor high pressure sensor Water pump or water leakage Clogged expansion valve or strainer Excess refrigerant...

Page 95: ...ration of cooling and heating the capability rank of indoor checked by the outdoor is used to determine connection capability rank abnormality Malfunction Caused 1 Wrong model interconnected 2 Wrong indoor unit or outdoor unit PCB main used 3 Faulty indoor unit or outdoor unit PCB main Abnormality Judgment Continue for 90 seconds ...

Page 96: ...During startup and operation of cooling and heating the temperatures detected by the compressor tank temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 97: ... During startup and operation of cooling and heating the temperatures detected by the indoor refrigerant liquid temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 98: ...ove 26 C is detected by the outdoor pipe temperature sensor Malfunction Caused 1 Dust accumulation on the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 2 way valve partially closed 4 Faulty outdoor unit fan motor 5 Refrigerant shortage refrigerant leakage 6 Clogged expansion valve or strainer 7 Faulty outdoor pipe temperature sensor 8 Faulty outdoor unit main PCB main ...

Page 99: ...etected by the indoor water flow switch is used to determine water flow error Malfunction Caused 1 Faulty water pump 2 Water leak in system 3 Faulty connector connection 4 Faulty water flow switch 5 Faulty indoor unit PCB main Abnormality Judgment Continue for 10 seconds but no judgment for 9 minutes after compressor startup restart ...

Page 100: ...on Conditions During operation of cooling and heating when the outdoor high pressure sensor output signal is 0Vdc or 5Vdc Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue 4 times in 20 minutes ...

Page 101: ...ndoor backup heater when no power supplies to indoor backup heater or OLP open circuit Malfunction Caused 1 Faulty power supply connector connection 2 Faulty connector connection 3 Faulty indoor backup heater overload protector OLP 4 Faulty indoor unit PCB main Abnormality Judgment Continue for 60 seconds ...

Page 102: ...onditions When tank connection is set to ON the temperatures detected by the tank temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 103: ...cation Abnormality H76 Malfunction Decision Conditions During standby and operation of cooling and heating indoor control panel error occur Malfunction Caused 1 Faulty connector connection 2 Faulty control panel 3 Faulty indoor unit PCB main ...

Page 104: ...is normal Malfunction Caused 1 Faulty outdoor unit PCB main 2 Faulty indoor unit PCB main 3 Indoor outdoor signal transmission error due to wrong wiring 4 Indoor outdoor signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units 5 Indoor outdoor signal transmission error due to disturbed power supply waveform Abnormality Judgment Continue for 1 m...

Page 105: ...ion Conditions During operation of tank booster heater and tank booster heater OLP open circuit Malfunction Caused 1 Faulty connector connection 2 Faulty tank booster heater overload protector OLP 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 60 seconds ...

Page 106: ...tween Indoor and Outdoor H95 Malfunction Decision Conditions The supply power is detected for its requirement by the indoor outdoor transmission Malfunction Caused 1 Insufficient power supply 2 Faulty outdoor unit PCB noise filter main ...

Page 107: ...essure 4 0MPa and above is detected by outdoor high pressure sensor Malfunction Caused 1 Faulty water pump 2 Insufficient water flow rate in system 3 Water leak in system 4 2 3 way closed 5 Clogged expansion valve or strainer 6 Excessive refrigerant 7 Faulty outdoor high pressure sensor 8 Faulty outdoor unit PCB main ...

Page 108: ...door refrigerant liquid temperature 0 C Malfunction Caused 1 Faulty water pump 2 Insufficient water flow rate in system 3 Water leak in system 4 2 way valve partially closed 5 Clogged expansion valve or strainer 6 Refrigerant shortage refrigerant leakage 7 Faulty indoor refrigerant liquid temperature sensor 8 Faulty indoor unit PCB main ...

Page 109: ...lfunction Caused 1 Dust accumulation on the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 Faulty water pump 4 Insufficient water flow rate in system 5 Water leak in system 6 2 3 way valve closed 7 Clogged expansion valve or strainer 8 Excessive refrigerant 9 Faulty outdoor high pressure sensor and switch 10 Faulty outdoor unit PCB Abnormality Judgment Continue 4 times in 20 min...

Page 110: ... compressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused 1 Compressor terminal disconnect 2 Faulty outdoor unit PCB main 3 Faulty compressor Abnormality Judgment Continue 4 times in 20 minutes ...

Page 111: ...l fan motor feedback of rotation 2550rpm or 50rpm Malfunction Caused 1 Operation stop due to short circuit inside the fan motor winding 2 Operation stop due to breaking of wire inside the fan motor 3 Operation stop due to breaking of fan motor lead wires 4 Operation stop due to fan motor Hall IC malfunction 5 Operation error due to faulty outdoor unit PCB Abnormality Judgment Continue 2 times in 3...

Page 112: ...itions During operation of cooling and heating when outdoor current above 27 9A is detected by the current transformer CT in the outdoor unit PCB Malfunction Caused 1 Excessive refrigerant 2 Faulty outdoor unit PCB main Abnormality Judgment Continue 3 times in 20 minutes ...

Page 113: ...ve 112 C is detected by the compressor tank temperature sensor Malfunction Caused 1 Faulty compressor tank temperature sensor 2 2 3 way valve closed 3 Refrigerant shortage refrigerant leakage 4 Clogged expansion valve or strainer 5 Faulty outdoor unit PCB main 6 Faulty compressor Abnormality Judgment Continue 4 times in 30 minutes ...

Page 114: ...onditions During operation of cooling and heating when temperature 95 C is detected by the outdoor IPM temperature sensor Malfunction Caused 1 Faulty outdoor unit fan motor 2 Faulty outdoor unit PCB main Abnormality Judgment Continue 3 times in 30 minutes ...

Page 115: ...of cooling and heating when outdoor DC current is above 40 1 5 0A for UD07 09CE OR 44 7 5 0A for UD12 16CE is detected by the IPM DC Peak sensing circuitry in the outdoor unit PCB main Malfunction Caused 1 Faulty outdoor unit PCB main 2 Faulty compressor Abnormality Judgment Continue for 7 times ...

Page 116: ...let temperature indoor refrigerant liquid temperature 5 C 4 During operation of heating indoor refrigerant liquid temperature water inlet temperature 5 C Malfunction Caused 1 Faulty water inlet or indoor refrigerant liquid temperature sensors 2 2 3 way valve closed 3 Refrigerant shortage refrigerant leakage 4 Clogged expansion valve or strainer 5 Faulty outdoor unit PCB main 6 Poor compression of ...

Page 117: ... temperature of thermostat ON indoor unit 0 C 2 During cooling operation when the indoor pipe temperature of thermostat ON indoor unit 45 C Malfunction Caused 1 Faulty sensor 2 Faulty connector connection 3 Faulty outdoor unit PCB noise filter main 4 Faulty four way valve Abnormality Judgment Continue 4 times in 30 minutes ...

Page 118: ...l F27 Malfunction Decision Conditions During compressor stop and outdoor high pressure switch is remain opened Malfunction Caused 1 Faulty connector connection 2 Faulty switch 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 1 minute ...

Page 119: ... During startup and operation of cooling and heating the temperatures detected by the outdoor air temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 120: ...s During startup and operation of cooling and heating the temperatures detected by the indoor water inlet temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 121: ... During startup and operation of cooling and heating the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 122: ...ng operation of cooling and heating when the PFC protection circuitry in the outdoor unit PCB main senses abnormal high DC voltage level Malfunction Caused 1 Power supply surge 2 Compressor windings not uniform 3 Faulty outdoor unit PCB main Abnormality Judgment Continue 4 times in 10 minutes ...

Page 123: ... During startup and operation of cooling and heating the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 124: ... During startup and operation of cooling and heating the temperatures detected by the outdoor defrost temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 125: ... During startup and operation of cooling and heating the temperatures detected by the indoor water outlet temperature sensor are used to determine sensor errors Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 126: ...r CT open circuit is detected by checking the compressor running frequency rated frequency and CT detected input current 0 65A for continuously 20 seconds Malfunction Caused 1 CT defective 2 Faulty outdoor unit PCB main 3 Compressor defective low compression Abnormality Judgment Continue 3 times in 20 minutes ...

Page 127: ... above is detected by outdoor high pressure sensor Malfunction Caused 1 Dust accumulation in the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 2 way valve closed 4 Faulty outdoor unit fan motor 5 Clogged expansion valve or strainer 6 Excessive refrigerant 7 Faulty outdoor high pressure sensor 8 Faulty outdoor unit PCB main ...

Page 128: ...ed at bottom of the front plate and 1 mounting screw at the front of the plate 2 Gently pull the lower section of the front plate towards you to remove the front plate from left and right hooks 3 Hold the left edge and right edge of front plate to lift up front plate from hooks 18 2 To Remove Cabinet WARNING High Voltage are generated in the electrical parts area by the capacitor Ensure that the c...

Page 129: ...129 18 3 To Remove Pressure Gauge 18 4 To Remove Control Panel ...

Page 130: ...130 18 5 To Remove RCCB 18 6 To Remove Transformer and Electronic Controller Board ...

Page 131: ...131 18 7 To Remove Pressure Relief Valve Flow Switch Water Pump and Bottle Complete When reinstall the water pipe use grease or water at the joining ...

Page 132: ...132 When reinstall the water pipe use grease or water at the joining When reinstall the water pipe use grease or water at the joining ...

Page 133: ...cteristics 19 1 1 WH SDC07C3E5 WH UD07CE5 A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 134: ...134 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 135: ...135 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 136: ...136 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 137: ...9C3E5 WH UD09CE5 A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 138: ...138 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 139: ...139 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 140: ...140 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 141: ...2C6E5 WH UD12CE5 A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 142: ...142 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 143: ...143 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 144: ...144 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 145: ...4C6E5 WH UD14CE5 A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 146: ...146 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 147: ...147 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 148: ...148 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 149: ...6C6E5 WH UD16CE5 A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 150: ...150 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 151: ...151 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 152: ...152 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 153: ... 5 50 2 82 5 40 3 00 5 20 3 14 5 00 3 33 7 6 10 2 16 5 90 2 36 5 85 2 63 5 80 2 90 5 80 3 06 5 80 3 22 2 6 80 1 87 6 70 2 16 6 70 2 38 6 60 2 64 6 30 2 90 6 00 3 16 7 9 00 1 93 9 00 2 20 9 00 2 45 9 00 2 81 8 95 3 23 8 90 3 87 25 9 00 1 07 9 00 1 27 8 40 1 40 8 00 1 59 7 80 1 81 7 50 2 03 HC Heating Capacity kW IP Power Input kW LWC Leaving Water Condenser Temperature C Tamb Ambient Temperature C ...

Page 154: ... IP 15 10 60 4 13 10 30 4 42 10 00 4 71 9 70 5 00 8 80 4 98 7 90 4 95 7 11 90 4 07 11 40 4 47 10 80 4 87 10 30 5 26 9 60 5 13 9 00 4 99 2 13 50 3 78 13 00 4 00 12 40 4 22 11 90 4 44 10 80 4 50 9 80 4 55 7 16 00 3 25 16 00 3 78 16 00 4 31 16 00 4 84 15 20 5 15 14 50 5 45 25 16 00 2 35 16 00 2 73 16 00 3 11 16 00 3 49 16 00 3 71 15 90 3 93 HC Heating Capacity kW IP Power Input kW LWC Leaving Water C...

Page 155: ...155 19 4 Hydraulic Pump Performance 07C3 09C3 12C6 14C6 16C6 ...

Page 156: ...ement Parts List 20 1 WH SDC07C3E5 WH SDC09C3E5 WH SDC12C6E5 WH SDC14C6E5 WH SDC16C6E5 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 157: ...90C0017 17 HEATER ASS Y 1 CWA34K1026 CWA34K1025 O 18 SOUND PROOF MATERIAL 1 CWG302593 CWG302575 19 THERMOSTAT 2 3 CWA151065 O 20 ELECTRONIC CONTROLLER MAIN 1 CWA73C4863 CWA73C4864 CWA73C4860 CWA73C4861 CWA73C4862 O 21 TERMINAL BOARD ASS Y 1 CWA28K1217 25 TERMINAL BOARD ASS Y 1 CWA28K1229 26 TERMINAL BOARD ASS Y 1 CWA28K1230 27 ELECTRO MAGNETIC SWITCH 1 K6C1AYY00004 O 28 TERMINAL BOARD ASS Y 1 CWA2...

Page 158: ...158 20 2 WH UD07CE5 A WH UD09CE5 A ...

Page 159: ...159 ...

Page 160: ...160 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 161: ...THERMISTOR 1 CWA50C2665 28 CABINET REAR PLATE CO 1 CWE02C1058 29 CONTROL BOARD ASS Y 1 CWH10K1100 32 TERMINAL BOARD ASS Y 1 CWA28K1198 34 ELECTRONIC CONTROLLER CAPACITOR 1 CWA746184 O 38 ELECTRONIC CONTROLLER NOISE FILTER 1 CWA745745 O 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C4833R CWA73C4834R O 46 REACTOR 2 G0C592J00003 48 TERMINAL COVER 1 CWH171039A 49 NUT FOR TERMINAL COVER 1 CWH7080300J 50 BRACKE...

Page 162: ...162 20 3 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...

Page 163: ...163 ...

Page 164: ...164 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 165: ... CWA50C2576 27 SENSOR COMP TOP 1 CWA50C2629 27a SENSOR COMP DEF 1 CWA50C2577 28 CABINET REAR PLATE 1 CWE02C1059 29 CONTROL BOARD CASING 1 CWH10K1049 31 TERMINAL BOARD ASS Y 1 CWA28K1213 36 ELECTRONIC CONTROLLER CAPACITOR 1 CWA746169 O 38 ELECTRONIC CONTROLLER NOISE FILTER 1 CWA745446 O 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C4835R CWA73C4836R CWA73C4837R O 46 REACTOR 2 G0C592J00004 48 TERMINAL COVER...

Page 166: ...ndor Code 00029488 O marked parts are recommended to be kept in stock PHAAM Printed in Malaysia SSYW1004 00 REF NO DESCRIPTION NAME QTY WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A REMARKS 70 EXPANSION VALVE 1 CWB051028 72 ELECTRO MAGNETIC SWITCH 1 K6C1AYY00003 ...

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